24,886
Recorded events
24
Counties covered
223
Direct deaths
$1.5B
Property damage
Maryland severe weather history covers 24,886 recorded events across 24 counties between 1950 and 2026.
The Maryland severe weather history record is dominated by thunderstorm wind, which accounts for 33.5% of everything logged statewide across 24 counties. Statewide, recorded events have caused 223 direct deaths since 1950.
By hazard type
Maryland severe weather history by hazard
| Hazard | Events | Counties | Deaths | Damage | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 8,328 | 24 | 13 | $138.9M | 1956–2026 |
| Winter Weather | 2,822 | 2 | 8 | $104K | 1996–2026 |
| Flash Flood | 1,729 | 24 | 19 | $164.6M | 1996–2025 |
| Hail | 1,579 | 24 | 0 | $1.4M | 1956–2026 |
| Flood | 1,469 | 24 | 2 | $80.3M | 1996–2025 |
| Winter Storm | 1,215 | 0 | 6 | $8.1M | 1996–2026 |
| Dense Fog | 1,086 | 0 | 1 | $0 | 1997–2026 |
| Heat | 1,010 | 0 | 108 | $0 | 1996–2021 |
| Strong Wind | 749 | 4 | 2 | $5.5M | 1997–2025 |
| Heavy Rain | 743 | 24 | 4 | $28K | 1996–2024 |
| High Wind | 540 | 0 | 3 | $42.9M | 1996–2026 |
| Frost/Freeze | 531 | 0 | 0 | $0 | 1997–2021 |
| Drought | 450 | 0 | 0 | $0 | 1997–2012 |
| Tornado | 437 | 24 | 9 | $382.8M | 1950–2026 |
| Coastal Flood | 339 | 0 | 0 | $18.4M | 1996–2025 |
| Heavy Snow | 338 | 0 | 0 | $564K | 1996–2026 |
| Cold/Wind Chill | 325 | 0 | 0 | $100K | 1996–2026 |
| Lightning | 312 | 24 | 11 | $19.7M | 1996–2025 |
| Excessive Heat | 282 | 0 | 19 | $0 | 2000–2025 |
| Extreme Cold/Wind Chill | 153 | 0 | 1 | $0 | 2000–2026 |
| Ice Storm | 118 | 0 | 0 | $8.8M | 1996–2025 |
| Tropical Storm | 101 | 0 | 3 | $551.2M | 1996–2025 |
| Blizzard | 61 | 0 | 2 | $160K | 1996–2026 |
| Funnel Cloud | 46 | 17 | 0 | $0 | 2000–2025 |
| Storm Surge/Tide | 27 | 7 | 0 | $54.2M | 1996–2008 |
| Wildfire | 20 | 4 | 0 | $0 | 2001–2012 |
| Sleet | 19 | 0 | 0 | $0 | 1997–2002 |
| Astronomical Low Tide | 15 | 0 | 0 | $0 | 2008–2025 |
| Hurricane (Typhoon) | 15 | 0 | 0 | $1.4M | 1996–1999 |
| Rip Current | 13 | 0 | 12 | $0 | 2006–2025 |
| Waterspout | 5 | 4 | 0 | $5K | 1997–2001 |
| Freezing Fog | 4 | 0 | 0 | $5K | 2007–2017 |
| Dust Devil | 3 | 2 | 0 | $6K | 1997–2009 |
| High Surf | 2 | 0 | 0 | $30K | 2008–2016 |
County index
Most active counties
| County | Events | Deaths |
|---|---|---|
| Montgomery County | 1,599 | 5 |
| Baltimore County | 1,320 | 5 |
| Frederick County | 1,074 | 9 |
| Prince George's County | 960 | 3 |
| Harford County | 948 | 4 |
| Anne Arundel County | 946 | 5 |
| Carroll County | 684 | 3 |
| Charles County | 682 | 2 |
| Washington County | 652 | 0 |
| St. Mary's County | 648 | 0 |
| Howard County | 608 | 4 |
| Cecil County | 534 | 2 |
| Allegany County | 468 | 0 |
| Calvert County | 447 | 3 |
| Queen Anne's County | 386 | 0 |
| Kent County | 329 | 0 |
| Talbot County | 327 | 0 |
| Garrett County | 319 | 1 |
| Wicomico County | 300 | 1 |
| Baltimore city | 270 | 9 |
| Worcester County | 267 | 0 |
| Caroline County | 265 | 1 |
| Dorchester County | 264 | 1 |
| Somerset County | 168 | 0 |
Full index
Every county in Maryland
- Montgomery County
- Baltimore County
- Frederick County
- Prince George's County
- Harford County
- Anne Arundel County
- Carroll County
- Charles County
- Washington County
- St. Mary's County
- Howard County
- Cecil County
- Allegany County
- Calvert County
- Queen Anne's County
- Kent County
- Talbot County
- Garrett County
- Wicomico County
- Baltimore city
- Worcester County
- Caroline County
- Dorchester County
- Somerset County
Quick answers
Frequently asked
How many severe weather events are recorded in Maryland?
24,886 events are on record across Maryland, covering 24 counties between 1950 and 2026.
Which county in Maryland has the most severe weather on record?
Montgomery County leads Maryland with 1,599 recorded events. Ranking reflects reported events, so densely populated counties tend to report more than sparsely populated ones.
Where does the Maryland severe weather history data come from?
Totals are aggregated from the NOAA/NCEI Storm Events Database, the federal public-domain archive of United States severe weather reports, with FEMA and U.S. Census records providing risk and population context. Dates are UTC and recent entries may still be revised.
Cite this page
“Maryland Severe Weather History.” Severe Weather History. severeweatherhistory.com/state/maryland/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.